Finding the Fourth Proportional to 18,334,917.54, 27,502,381.38 and 6,818,880.12
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Solution
The fourth proportional to 18,334,917.54, 27,502,381.38 and 6,818,880.12 is: 10,228,322.07
Step by Step Solution
- Step 1: Write the proportion equation
18,334,917.54 : 27,502,381.38 = 6,818,880.12 : x - Step 2: Convert to fraction form
18,334,917.54/27,502,381.38 = 6,818,880.12/x - Step 3: Cross multiply
18,334,917.54x = 27,502,381.38 × 6,818,880.12 - Step 4: Simplify right side
18,334,917.54x = 187,535,441,644,740.16 - Step 5: Solve for x
x = 187,535,441,644,740.16/18,334,917.54 - Step 6: Final answer
x = 10,228,322.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.